Shahid Akhtar Khan has Published 120 Answers

PyTorch – How to invert the colors of an image randomly with a given probability?

Shahid Akhtar Khan

Shahid Akhtar Khan

Updated on 06-Jan-2022 13:47:32

The RandomInvert() transform inverts the colors of an image randomly with a given probability. The torchvision.transforms module provides many important transforms that can be used to perform different types of manipulations on the image data.RandomInvert() accepts both PIL and tensor images or batch of tensor images. A tensor image is ... Read More

PyTorch – How to rotate an image by an angle?

Shahid Akhtar Khan

Shahid Akhtar Khan

Updated on 06-Jan-2022 13:34:31

RandomRotation() rotates an image by a random angle. The chosen random angle is from a given range of angles in degree. RandomRotation() is one of the many important transforms provided by the torchvision.transforms module. RandomRotation() transform accepts both PIL and tensor images.A tensor image is a Torch tensor with shape ... Read More

How to pad an image on all sides in PyTorch?

Shahid Akhtar Khan

Shahid Akhtar Khan

Updated on 06-Jan-2022 13:32:59

To pad an image on all sides, we can apply Pad() transform provided by the torchvision.transforms module. This module contains many important transformations that can be used to perform different types of manipulations on the image data.Pad() transformation accepts both PIL and tensor images or a batch of tensor images. ... Read More

PyTorch – How to compute element-wise entropy of an input tensor?

Shahid Akhtar Khan

Shahid Akhtar Khan

Updated on 06-Jan-2022 13:29:57

To compute the element-wise entropy of an input tensor, we use torch.special.entr() method. It returns a new tensor with entropy computed element-wise.If the element of tensor is negative, the entropy is negative infinity.If the element of the tensor is a zero, the entropy is zero.The entropy for a positive number element ... Read More

PyTorch – torchvision.transforms – RandomErasing()

Shahid Akhtar Khan

Shahid Akhtar Khan

Updated on 06-Jan-2022 13:04:01

The RandomErasing() transform randomly selects a rectangular region in an input image and erases its pixels. The torchvision.transforms module provides many important transforms that can be used to perform different types of manipulations on the image data. RandomErasing() transformation accepts only tensor images of any size. A tensor image is ... Read More

How to convert a Torch Tensor to PIL image?

Shahid Akhtar Khan

Shahid Akhtar Khan

Updated on 06-Jan-2022 13:01:30

The ToPILImage() transform converts a torch tensor to PIL image. The torchvision.transforms module provides many important transforms that can be used to perform different types of manipulations on the image data. ToPILImage() accepts torch tensors of shape [C, H, W] where C, H, and W are the number of channels, ... Read More

PyTorch – How to normalize an image with mean and standard deviation?

Shahid Akhtar Khan

Shahid Akhtar Khan

Updated on 06-Jan-2022 12:28:30

The Normalize() transform normalizes an image with mean and standard deviation. The torchvision.transforms module provides many important transforms that can be used to perform different types of manipulations on the image data.Normalize() accepts only tensor images of any size. A tensor image is a torch tensor. A tensor image may ... Read More

PyTorch – torchvision.transforms – GaussianBlur()

Shahid Akhtar Khan

Shahid Akhtar Khan

Updated on 06-Jan-2022 11:42:24

The torchvision.transforms module provides many important transformations that can be used to perform different types of manipulations on the image data. GaussianBlur() transformation is used to blur an image with randomly chosen Gaussian blur.The GaussianBlur() transformation accepts both PIL and tensor images or a batch of tensor images. A tensor ... Read More

PyTorch – How to resize an image to a given size?

Shahid Akhtar Khan

Shahid Akhtar Khan

Updated on 06-Jan-2022 11:38:02

The Resize() transform resizes the input image to a given size. It's one of the transforms provided by the torchvision.transforms module. Resize() accepts both PIL and tensor images. A tensor image is a torch tensor with shape [C, H, W], where C is the number of channels, H is the ... Read More

PyTorch – torchvision.transforms – RandomVerticalFlip()

Shahid Akhtar Khan

Shahid Akhtar Khan

Updated on 06-Jan-2022 11:34:18

We apply RandomVerticalFlip() transform to flip an image vertically at a random angle with a given probability. It's one of the transforms provided by the torchvision.transforms module. This module contains many important transformations that can be used to perform different types of manipulations on the image data.RandomVerticalFlip() accepts both PIL ... Read More

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